Home / 5,539.11-7,643.80-3,021.25

Finding the Fourth Proportional to 5,539.11, 7,643.80 and 3,021.25

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Solution

The fourth proportional to 5,539.11, 7,643.80 and 3,021.25 is: 4,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.11 : 7,643.80 = 3,021.25 : x
  2. Step 2: Convert to fraction form
    5,539.11/7,643.80 = 3,021.25/x
  3. Step 3: Cross multiply
    5,539.11x = 7,643.80 × 3,021.25
  4. Step 4: Simplify right side
    5,539.11x = 23,093,830.75
  5. Step 5: Solve for x
    x = 23,093,830.75/5,539.11
  6. Step 6: Final answer
    x = 4,169.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.